Question

When $S{n}^{2+}$ changes to $S{n}^{4+}$ in a reaction

• A. It loses two electrons
• B. It gains two electrons
• C. It loses two protons
• D. It gains two protons

Answer 1

Answer: (A)

$S{n}^{2+}\to S{n}^{4+}+2e^{-}$. In this reaction $S{n}^{2+}$ changes to $S{n}^{4+}$, it is called an oxidation reaction.